Abstract
The aim: The purpose of this study is to determine clinical and imaging features of etiological subtypes of posterior circulation stroke in a prospective hospital-based cohort study. Materials and methods: We prospectively recruited 120 acute posterior circulation stroke patients, admitted to the Neurological Center of the University Hospital (Oleksandrivska Clinical Hospital) in Kyiv, Ukraine, within 6 to 24 hours from the onset of the stroke symptoms. Comprehensive neurological, clinical, laboratory, ultrasound, and imaging examination was performed on all patients. Results: MRI/CT-proven etiological subtypes of ischemic posterior circulation stroke were defined - atherothrombotic (n = 59), cardioembolic (n = 24), lacunar (n = 27), and definitively indeterminate (n = 7). Two main study groups were formed - lacunar (n = 27) and non-lacunar (n = 90) subtypes of posterior circulation stroke. Conclusions: Specific clinical and imaging features of etiological subtypes of posterior circulation stroke were determined, analyzed, compared, and described.
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